/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */

package org.apache.vysper.xmpp.stanza;

/**
 * info/query stanza (request/response)
 *
 * @author The Apache MINA Project (dev@mina.apache.org)
 */
public class IQStanza extends XMPPCoreStanza {

    public static final String NAME = "iq";

    public static boolean isOfType(Stanza stanza) {
        return isOfType(stanza, NAME);
    }

    public IQStanza(Stanza stanza) {
        super(stanza);
        if (!isOfType(stanza))
            throw new IllegalArgumentException("only IQ stanza is allowed here");
    }

    @Override
    public String getName() {
        return NAME;
    }

    public IQStanzaType getIQType() {
        String type = getType();
        if (type == null)
            return null;
        return IQStanzaType.valueOfOrNull(type);
    }

}
